Last updated: April 22, 2025
Experience the vibrant September weather in Jalisco, Mexico, where the temperature can soar to a maximum of 37°C (98°F), providing warm days complemented by an average of 25°C (77°F) and cooler nights dropping to a minimum of 16°C (62°F). This month brings a lush atmosphere, with 76 mm (3.0 in) of rainfall spread over 11 days, introducing a refreshing touch to the landscape. Coupled with a humidity level of 82%, September in Jalisco offers a unique blend of warmth and tropical charm, making it an ideal time to explore the region's natural beauty and cultural richness.
In September, Jalisco, Mexico experiences a delightful transition as temperatures begin to moderate after the summer heat. With minimums averaging around 16°C (62°F) and maximums peaking at 37°C (98°F), this month strikes a comfortable balance with an average temperature of 25°C (77°F). Compared to the sweltering highs of the preceding summer months, September offers a subtle reprieve, making it an ideal time for outdoor activities. The weather remains warm but starts hinting at the cooler days ahead, a trend that will continue into the fall months. Whether you're wandering through vibrant local markets or enjoying the stunning natural landscapes, September’s pleasant climate enhances every experience in this beautiful region.
September marks a significant peak in precipitation for Jalisco, Mexico, with 76 mm (3.0 in) of rainfall occurring over 11 days. This month's rainfall stands out dramatically when compared to earlier months, particularly from the dry spell seen in January through April, where totals barely reached 5 mm. The transition into the rainy season becomes evident as the numbers escalate, with July and August also experiencing heightened precipitation. Interestingly, these figures signal the region's shift towards the wettest months, setting the stage for the lush landscapes of autumn. Overall, September encapsulates the heart of Jalisco's rainy season, making it a month of both refreshment and vibrant change.
As September arrives in Jalisco, Mexico, residents and visitors alike experience a marked increase in humidity, reaching an average of 82%. This surge is part of a broader trend as the region transitions from the warmer summer months, where humidity peaks in July at 73% and August at 71%. The climb continues into October, slightly higher at 83%, indicating a consistent pattern of elevated moisture levels as the rainy season progresses. This shift not only enhances the lush, green landscapes characteristic of Jalisco but also brings a palpable tropical atmosphere, making it a vibrant time for outdoor activities, despite occasional discomfort from the high humidity. As autumn approaches, the challenge of adapting to this humid environment becomes part of the charm of Jalisco's climate.
In September, Jalisco, Mexico experiences a UV Index of 13, placing it in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV exposure peaks during the summer months, with April and May also recording a UV Index of 14. Following a slight decline to 11 in October, the UV Index after September seems to consistently drop, indicating a seasonal shift towards safer sun conditions. Throughout the year, awareness and protection against harmful UV rays are essential, particularly in these extreme months. For more detailed information, visit Jalisco UV Index.
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In September, Jalisco, Mexico, enjoys a delightful balance of sunshine, with an impressive 287 hours of golden rays gracing the region. This month stands as a notable contrast to the summer peak experienced in May, where the sunshine reached a vibrant 352 hours. As summer transitions to fall, the sunlit hours gradually decrease, marking a gentle shift that follows the intense brightness of the preceding months. However, compared to the chillier months ahead, such as October with 286 hours of sunlight, September still offers a warm embrace, making it an ideal time for both relaxation and exploration in this picturesque locale. The steady decline in sunshine hours reveals a seasonal rhythm, inviting visitors to relish in the remaining warmth before the sun’s retreat.
In September, the chances of enjoying sunny weather in Jalisco, Mexico, dip to 51%, marking a transition from the drier summer months of July and August, which see even lower probabilities of sunshine at 48% and 47%, respectively. This pattern suggests that while September isn't the sunniest month, it does provide a break from the peak rainy season, allowing for occasional sunny days amid the increasing cloud cover. As the month progresses, the likelihood of clearer skies gradually improves, leading into October, where temperatures rise again, offering a much brighter 69% chance of sunshine. Overall, September represents a unique blend of shifting weather, making it a noteworthy time to experience Jalisco's vibrant landscapes adorned with the lushness of the rainy season.
As summer yields to autumn in Jalisco, Mexico, September maintains a vibrant 12 hours of daylight, continuing the trend of equal brightness established since April. This month marks the transition from the peak of daylight in the summer months—where sunlight stretched to a maximum of 13 hours—to a gradual descent toward shorter days. The balance of light during September encourages outdoor activities and celebrations, as locals and visitors alike relish the warm ambiance before the daylight dips to 11 hours in October. Overall, September offers a perfect blend of light and warmth, making it an idyllic time to experience the beauty of Jalisco.
As September sweeps across Jalisco, the gentle breeze returns with an average wind speed of 2.1 m/s (5 mph), a slight uptick from the previous month. This marks a notable transition from the calmer summer winds of July and August, which witnessed the softest gusts of the year at 1.8 m/s (4 mph). The autumn months show a tendency toward variability, with wind speeds gradually stabilizing at around 2.0 m/s (4 mph) in October before dipping again in the cooler November and December months. Overall, September serves as a bridge, hinting at the seasonal shift while still clinging to the last warm breath of summer.
The weather in Jalisco changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Jalisco and find detailed weather information for every month.
In September, the weather is notably warmer, with average temperatures ranging from a minimum of 16°C (62°F) to a scorching maximum of 37°C (98°F), alongside high humidity levels of 82%. This month also experiences moderate rainfall, with about 76 mm (3.0 in) spread over 11 days. In contrast, January offers much cooler temperatures, with an average of 15°C (59°F), minimums dropping to -1°C (31°F), and a maximum of 30°C (86°F). Precipitation is minimal during January, averaging just 5 mm (0.2 in) over no rainy days, and the humidity is lower at 70%. For more details, you can check Jalisco weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 37°C (98°F), with an average of 25°C (77°F). The month is characterized by higher humidity levels at 82% and substantial rainfall, totaling 76 mm (3.0 in) over approximately 11 days. In stark contrast, February experiences much cooler temperatures, with a minimum of 0°C (33°F) and an average of 19°C (66°F), while still reaching up to 37°C (98°F). This month sees significantly less precipitation—only 6 mm (0.2 in) over just 1 day—and a lower humidity of 62%. For more details, check out Jalisco weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 37°C (98°F), with an average of 25°C (77°F). This month also experiences considerable humidity at 82% and notable rainfall, totaling 76 mm (3.0 in) over 11 days. In stark contrast, March offers milder temperatures, with a minimum of 6°C (42°F) and a maximum reaching 39°C (102°F), averaging 22°C (72°F). Additionally, it is much drier, with only 6 mm (0.3 in) of precipitation over just 1 day and a significantly lower humidity of 53%. For a more detailed look at March weather, you can visit Jalisco weather in March.
September and April present contrasting weather patterns, despite having similar average temperatures of 25°C (77°F). In September, the minimum temperature is higher at 16°C (62°F), while April starts cooler at 10°C (50°F). Additionally, September experiences significant rainfall, with an average precipitation of 76 mm (3.0 in) over 11 days, accompanied by high humidity levels of 82%. In stark contrast, April boasts minimal precipitation of just 2 mm (0.1 in) and zero rainy days, alongside a more comfortable humidity level of 48%. For a detailed look at April's weather, you can check out Jalisco weather in April.
In comparing the weather of September and May, we can observe notable differences in temperature, precipitation, and humidity. September features a more moderate average temperature of 25°C (77°F), with highs reaching up to 37°C (98°F) and a minimum of 16°C (62°F). It also experiences higher humidity at 82% and receives significant rainfall, totaling 76 mm (3.0 in) over 11 days. Conversely, May is characterized by hotter conditions, where the average temperature rises to 28°C (83°F) and can peak at a scorching 40°C (105°F). This month has much lower precipitation, with only 7 mm (0.3 in) across a mere 3 days, and a comfortable humidity level of 52%. For more information, you can check the weather patterns in this region Jalisco weather in May.
In September, temperatures typically range from a minimum of 16°C (62°F) to a maximum of 37°C (98°F), with an average of 25°C (77°F). The month experiences 76 mm (3 inches) of precipitation over approximately 11 days, leading to a relatively high humidity level of 82%. In contrast, June tends to be hotter, reaching average temperatures of 28°C (84°F) with highs soaring up to 41°C (105°F). Precipitation during June is much lower at 23 mm (0.9 inches) over just 5 days, and the humidity is comparatively lower at around 64%. For a detailed look into the weather conditions, check out Jalisco weather in June.
In comparing the weather of September and July, both months exhibit warm temperatures, yet September tends to be slightly cooler overall. In July, the minimum temperature starts at 19°C (66°F) with an average of 27°C (81°F), while September has a minimum of 16°C (62°F) and an average of 25°C (77°F). Both months share a maximum temperature of 37°C (99°F), but September experiences higher humidity at 82% compared to July's 73%. Additionally, both months record precipitation on 11 days, with September receiving a total of 76 mm (3.0 in) and July experiencing slightly less at 72 mm (2.8 in). For a more detailed overview, you can check Jalisco weather in July.
In August, the weather is generally warmer with an average temperature of 27°C (82°F) and a minimum of 17°C (63°F), while September sees a slight drop in the average to 25°C (77°F), with a minimum temperature of 16°C (62°F). Interestingly, despite both months reaching similar maximum temperatures of 36°C (98°F) and 37°C (98°F) respectively, September experiences significantly more rainfall, with 76 mm (3.0 in) over 11 days, compared to just 34 mm (1.3 in) over 5 days in August. Additionally, September is characterized by higher humidity levels at 82%, compared to 71% in August. For more detailed information on August weather, you can visit Jalisco weather in August.
As September transitions into October, the weather experiences a notable shift. September boasts warmer temperatures, with an average of 25°C (77°F) and a peak reaching up to 37°C (98°F), contrasted by October's cooler minimum of 9°C (48°F) and an average of 23°C (73°F). Precipitation decreases significantly from 76 mm (3.0 in) over 11 days in September to only 35 mm (1.4 in) on 4 days in October, providing drier conditions. Interestingly, humidity remains relatively steady, with September at 82% and October slightly higher at 83%. For more detailed insights into the October weather, you can visit Jalisco weather in October.
September and November present a striking contrast in weather patterns. September experiences warmer temperatures, with an average of 25°C (77°F) and highs reaching up to 37°C (98°F), while November sees a much cooler average of 19°C (66°F) and maximum temperatures of 33°C (91°F). Additionally, September is characterized by higher precipitation, accumulating 76 mm (3.0 in) over 11 days, in stark contrast to November's minimal rainfall of just 5 mm (0.2 in) over a single day. Throughout both months, humidity remains consistently high at 82%. For more details on November weather, you can explore Jalisco weather in November.
In September, the weather is typically warm with temperatures ranging from a minimum of 16°C (62°F) to a maximum of 37°C (98°F), averaging around 25°C (77°F). This month also sees significant rainfall, with approximately 76 mm (3.0 in) of precipitation over 11 days, contributing to a high humidity level of 82%.
In contrast, December experiences much cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 31°C (88°F), averaging 16°C (61°F). The precipitation drops dramatically to just 12 mm (0.5 in) over 2 days, and humidity is slightly higher at 84%. For more details, check out Jalisco weather in December.
September in Jalisco brings a unique blend of warmth and humidity that sets it apart from the drier months of the year. With temperatures peaking at 37°C, coupled with an average of 25°C, the days feel sultry, especially as humidity hovers around 82%. Rainfall becomes a key player during this month, contributing to the area's lush landscapes, making September distinctly more vibrant than the preceding summer months. The increase in precipitation, with around 11 days of rain and a total of 76 mm, offers a refreshing contrast to the heat, creating a dynamic climate. For a deeper understanding of how September compares to other months, explore the comprehensive details at Jalisco Climate.